package com.langfeiyes.pattern.principle.singleresponsibility;

public class App {

    //修改用户信息
    public void updateInfo(String username, String avatar){
        //....
    }

    //修改用户昵称
    public void updateUsername(String username){
        //....
    }

    //修改用户头像
    public void updateAvatar(String avatar){
        //....
    }



}
